<div id="top" ng-controller="header">    <div class="top_tit">{{topTit}}</div>    <div class="top_menu">        <span class="welcome">Hi,{{usernameTop}}</span>        <span class="home" ng-click="home()" title="主页"><em></em></span>        <span class="logout" ng-click="logout()">注销</span>    </div>    <div class="clearfix"></div></div>